package 模板_二维前缀和;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int m = in.nextInt();
        int q = in.nextInt();
        int[][] arr = new int[n + 1][m + 1];
        long[][] dp = new long[n + 1][m + 1];
        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= m; j++){
                arr[i][j] = in.nextInt();
                dp[i][j] = dp[i][j-1] + dp[i-1][j] - dp[i-1][j-1] + arr[i][j];
            }
        }
        while(q > 0){
            int x1 = in.nextInt();
            int x2 = in.nextInt();
            int y1 = in.nextInt();
            int y2 = in.nextInt();
            System.out.println(dp[y1][y2]-dp[x1-1][y2]-dp[y1][x2-1]+dp[x1-1][x2-1]);
            q--;
        }
    }
}